Carriage-lamp.



H. BLAU.

GARRIAGB LAMP.

APPLIOATION FILED AUG. 6, 1908. 989,385.

Patent-,ea 190991999.

HERMANN Bryan, or AUGSBURG, GERMANY.

CARRIAGE-LAMP.

specification of Letters raten.

" Patentea Nov. 9,1909.

Application filed August 6, 1908. Serial No. 447,278.

To all whom t 'may concern: i

Be it known that 1, HERMANN BLAU, a' citizen of Germany, residing at Augsburg, Bavaria, Germany, have invented certain new and useful llinprovenientslin Carriage-` Lamps; and I do hereby declare the follow? ing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains tof make and use the saine.

This invention relates to lamps for illuminating carriages and has for its" object the construction of suoli lamps in a manner to permit the inlet of fresh air and the outlet of the products of combustion, and-,fat the saine time, to preventithe entrance of ashes or other particles into the lamp, es#

pecially during motion of the carriage.

In the accompanying 'drawings which form part of this specification,lf`igure 1 is an elevation of a carriage-lamp constructed in accordance with `this invention, looking at the lamp when the carriage is approach` ing; Fig. 2 is an elevation in a vertical section parallel-to the direction of motion of the carriage.

inh the drawings like letters indicate like parts. i

C is a cover for the lamp placed upon and above the roof of the carriage. The cover C is provided'with parts forming. channels or I conduitsv passing through the roof of the carriage in order to supply fresh air to the lamp below the roof within the carriage and tov lead olf the waste gases or products of combustion.

I) is a hollow, cylindrical pait of suitable material 4foin'i'ing a conduit for the passage of the products of coinbustionfromv the lamp `below the roof within the carriage to the upper part of the cover C, whence the products of combustion escape throughthe )Xit holes 6 b willi which the covei' C is \provided.

45" Surrounding the conduit l) is aliollow,

cylindrical part B which is surrounded by the part A. larts B and A come together above, but not below, and the part A is provided witli airinlet holes c a, so that the parts li and A, together with the hollow cylindrical part F surrounding the lower part of conduit I), forni aconduit for, the

passage of fresh air from Without the carriage above the roof to the lamp within the carriage below the roof.

ln order to preventthe entrance of 'ashes cause injury to the mantle.

or other particles, through the above de-I scribed'conduits for the exit of the waste gases or the products of combustion and for theadinission of fresh air, intolthe lamp','a, hood E, closed at the front, back andt'opf (relatively to the direction of motion'of the* carriage) is placed over, the cover C` and v" upon the roof of the carriage to which itis` properlyl secured in any suitable manner;

As shown in Fig. l, hood E should, prefer# ably, be of 'width suliicent to extendon each side beyond the cover C. Additional` protection against the 'entrance of ashes or other foreign Aparticles into the conduits inei'i tioned may inlet holes, as shown in Fig. 2.

ports'outside of the carriage, on the roof.,`

'lo4 be obtained by protecting the" outlet holes b I) and the inlet holes aa byl barriers, suchas curved'pieces of meta-1,* placed opposite. to or above the outlet and*y """7'5 Lamps for illuminating railway carriages A cap is so arranged on the conduit ports'f 'f that the fresh air and waste gases cannotv niix.

Now it frequently happens that when the train is in inotion ashes or the like froimA the locomotive enter the lamp through one or both of the above-mentioned conduits, and in the case of incandescentl lamps this may By a suitable `j construction of the already mentioned 4caps and by means of special safety devices it'f has been found possible to remedy this disadvantage to a certain degree. The device according to the present in# venl'ion prevents'the entrance of ashes oi' 1 other particles into the lamp during' they motion of the train in a very sinipleland eli'ecti've manner and is based on the. consideration that the particles of ash etc. will, in consequence of the motion of the train, always try to enter the lamp from the front.

'lhe device consists essentially in a hood placed Aover the fresh air and waste gas ports, which hood is closed at the front, hack and top (relatively to the direction of motion ot' the train), but has apertures at the sides.

vl `roni` the figures of the drawings and the foregoing description it ivill be obvious that all particles of ash etc. will strike against the closed portion of the hood and will not be able to enter the fresh air or waste gas conduits, but that on the other hand fresh air and Waste gas will ind easy entrance and exit through the lateral openings in said hood.

What l claim as my invention and desire to Secure by Letters Patent.,k is:

1l lin a czlrrisige-lzimp, the combination of a, hood closed at the top and front, relatively to the direction of motion of the carriage, and provided with a lateral aperture, and zi Cover, provided with parts forming e, oonduit for the admission of air7 situated With.- in the hood, substantially :is described.

ln ai carriage-lamp, the ooiiiliinzttiono n hood closed et the top and front, relatively to the direction of motion of the carriage, and provided with a. lateral aperture, und o, cover, provided with parts forming o conu duit for the admission of air and :i conduit for the exit. of the products of eonilnustion, situated Within the hood, substantially as described.

3. In, a carriage-lamp, the Combination of a hood closed :it 'the top front and beul;n relatively to tlie direction of motion ol i'lie oarringe and iiirovided with :i lateral apen ture, and a cover, provided with parte forni ing e conduit for the admission of air the root? oli' tilie carrie the top one" from, releL of motion olf the. envi* i the roof amd prei/idf l :i hood elosed zii' rely to li-e direction eniieiintgiosed en v n t lui fail zigiei led with p1 rte torni ing ai conduit r lle mln ,on ol xiii' und :i Conduit tor 'the it oi.' the A iodztetts irl: eol'riiiustiom extending from zilun'e te below the roof, situated within the hood, nletmr tiallj,r es des riliecl.- i

6, Lo a ceriizige-lenny, tlie unijniliiiiiinion oi ture, veel n cover., prei and a i Conduit 'ior the exitof the products of eoi'n i nml provi@ :il willi :i lnterstl zwei-titre, :um .i

the roof ol the enriinge, n hood eloserl et t'lxe top and from, relatively to tlie direc-lion el.C motion oit the czirrizxf superimposed on the 5 roof und provided ivitli :t lziternl ul'iertnre, and a cover, provided with parte forming :i eoidnit i'or t'lie :idniieasion elf' :tir :ind :i eenr duit l'or the exit. ot tilie products'. ol' eonilinhtion7 extending from :there to below tlie G0 roel', the inlet'J to tlie eonoiity for the ndniission olA4 nir. being sit'nnted below tl'ie. ontlet; oi the conduit: l'oi' the exit et tlie. prodnets oi. Combustion und snid eorei' being' feitnzited ivitliin the lined; sel`e5teni'i:illj.= :e: deserilied. G5

7. ln :i cui izigi'A-lznnp, ille eoinliiiintiion ol' tlie root o tile carriage, :i lworl :.-losed et' tlie top und fronts relatively to llie direi-.tien el' motion olf tlie euri-inge, eiiiiei'imposed on the romC ond provided jwii'li :i lateral nliertnret 'J0 and o cui', j irovided with parts forming` i conditi for the exil; of the prodnete oi" eoinbnb't'ion and i conduit ler tlie. admission of :tir Surrounding the conduit loi' the exit o t' lie proilnes of combustion) seid f nnilnith extending .from nliove to below the .rnoil :nid seid corel.' lgieing Situated within tlie lxoorl` se lista nl ly :i5 d eseriljied.

8. in it 621.4' Ora-lmnp, tlie eoinliinntion ot' 2L hood eloed :i glie top und liront` ielattiielv 8,0 to the direetien motion olf the earring 7 :ind provid il 'willi o, later-:il aperture:l und a Cover, provided with porte' forinlr 'lni'. for iltie admi@ oli o'l nii und z. lm: Vine onpoeil, to tlie .rnei opening el: ille een inzit, Huid c in;` f-:ititmled within the liontl, Heleftnntinl 'l Si. .ln :t e:i:';i;i\' i :i lioml el l :i t :e :en and iront. re to ille :lire-"tion oli ine-Lion olf ille e;

fort u provided with. ports lorn'ning` :t oon-- :lint tot' il `rlnon ell mi und n conduit for ille e el the products nl' @penultimo :nini

,oid rover' lieino i intel within ilie llo-wi. .wtiliitiniinliv .l liteit-nnte ilse jn'iveziee olf two rfi i lllilltfilA HX 

